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JeffersGlass/primes.py Secret

Created August 30, 2020 03:02
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primes.py
from time import time
from math import floor, sqrt
from gpiozero import LED
redLed = LED(20)
redLed.off()
greenLed = LED(12)
greenLed.off()
def isPrime(n):
for i in range (2,floor(sqrt(n))+1):
if n/i == floor(n/i): return False
return True
def listPrimesUpTo(num):
for i in range (2,num):
print(str(i) + " ", end = "")
if isPrime(i): print ("is Prime")
else: print ("is Composite")
redLed.on()
listPrimesUpTo(3000)
redLed.off()
greenLed.on()
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